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A continuum-field model of visual cortex stimulus-driven behaviour: emergent oscillations and coherence fields
2004
Neurocomputing
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A detailed analysis of the resulting oscillatory behaviour of the model evidences its capability of generating stimulus-induced spatio-temporal coherence ÿelds, similar to the ones experimentally observed ...
in the mammalian visual cortex. ...
Bisio and L. Ra o for their contributions to the accomplishment of this work. The work was partially supported by the University of Genoa within ...
doi:10.1016/j.neucom.2003.10.016
fatcat:obcr7yfcwnajjledbns7kls2te
Learning processing in the basal ganglia: A mosaic of broken mirrors
2009
Behavioural Brain Research
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In the present review we propose a model to explain the role of the basal ganglia in sensorimotor and cognitive functions based on a growing body of behavioural, anatomical, physiological, and neurochemical ...
This model proposes that the body and its surrounding environment are represented in the striatum in a fragmented and repeated way, like a mosaic consisting of the fragmented images of broken mirrors. ...
This work was supported by grants of Institutos do Milenio (CNPq/MCT), Pronex Paraná, and Fundaç ão Araucária, and FAPESP. ...
doi:10.1016/j.bbr.2008.10.001
pmid:18977393
fatcat:tmfvagny2vgcpi36hes6hrkufq
Cortical travelling waves: mechanisms and computational principles
2018
Nature Reviews Neuroscience
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features between visual cortex areas V1 and V4 (REF. 10). ...
Indeed, experimental evidence suggests that oscillation synchrony modulates the effective connectivity of populations in the cortex 7,8 , shapes plasticity between neurons 9 and drives processing of stimulus ...
Pao, A. Destexhe, Y Frégnac and C. F. Stevens for helpful discussions and J. Ogawa for helpful discussions and help with illustrations. ...
doi:10.1038/nrn.2018.20
pmid:29563572
pmcid:PMC5933075
fatcat:jvncynx5kvfu5nkf5qwgq2dkjq
39th Annual European Brain and Behaviour Society Abstracts
2007
Neural Plasticity
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All approaches relating brain and behaviour were represented at the meeting, which aimed to further expand the wide spectrum of previous EBBS AGMs, and to bring together integrative, system, cognitive, ...
Alessandro Treves (SISSA) was the head and inspiration of the Local Organizing committee, supported by P. Battaglini, L. Chelazzi, M. Diamond and G. Vallortigara. ...
A recent series of studies has shown that a test of object-in-place paired-associate learning (PAL), as part of the Cambridge neurological test battery (CaNTaB), is very effective at predicting whether ...
doi:10.1155/2007/23250
fatcat:7xnzbdkh5bgqxfe5vemcbmoie4
Cortical state and attention
2011
Nature Reviews Neuroscience
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Both processes involve a modulation of low-frequency activity fluctuations and spiking correlation, and are mediated by common receptor systems. ...
in the primate visual system. ...
Attention reduces stimulus-driven gamma frequency oscillations and spike field coherence in V1. Neuron 66, 114-125 (2010). 22. Khayat, P. S., Niebergall, R. & Martinez-Trujillo, J. C. ...
doi:10.1038/nrn3084
pmid:21829219
pmcid:PMC3324821
fatcat:akkvksuwgzfxhkixur53heczq4
Are Absence Epilepsy and Nocturnal Frontal Lobe Epilepsy System Epilepsies of the Sleep/Wake System?
2015
Behavioural Neurology
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Experimental and clinical reseach data were collected to create a coherent explanation of underlying pathomechanism in AE and NFLE. ...
System epilepsy is an emerging concept interpreting major nonlesional epilepsies as epileptic dysfunctions of physiological systems. ...
Conflict of Interests The author declares that there is no conflict of interests regarding the publication of this paper. ...
doi:10.1155/2015/231676
pmid:26175547
pmcid:PMC4484558
fatcat:y2iqefwoqbettmyp6rss3wtpwu
The role of tactile afference in shaping motor behaviour and implications for prosthetic innovation
2015
Neuropsychologia
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Acknowledgments We thank Max Ortiz-Catalan and Integrum AB (Mölndal, Sweden) for providing illustrations of osseointegration. ...
R.A. is funded by a MoRE Region Västra Götaland grant from the EU FP7-People-COFUND programme and A.K. is supported by an Agence Nationale de la Recherche grant (# ANR12-JSH2-0005-01). ...
A tactile stimulus may drive behaviour, for example, contact with a sharp object makes you move your hand away. ...
doi:10.1016/j.neuropsychologia.2015.06.024
pmid:26102191
fatcat:fdlilz3j5faibdyfbirxhmodie
SIMULATED ELECTROCORTICAL ACTIVITY AT MICROSCOPIC, MESOSCOPIC AND GLOBAL SCALES
2004
International Journal of Bifurcation and Chaos in Applied Sciences and Engineering
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We show that mutually consistent explanations and simulation of experimental data can be achieved for cortical gamma activity, synchronous oscillation, and the main features of the EEG power spectrum including ...
The dynamic properties exhibited in the simulations, Hebbian synaptic modification regulated by a limited set of innate "reward" mechanisms, and infomax principles, can be combined to yield an explanation ...
Nicholas Hawthorn for technical assistance, and the University of Sydney, the University of Auckland, the Swinburne University, Melbourne, and the Mental Health Research Institute, Melbourne, for the use ...
doi:10.1142/s0218127404009569
fatcat:snt25bgw7rhixanxcffcrvutiq
Simulated Electrocortical Activity at Microscopic, Mesoscopic and Global Scales
2003
Neuropsychopharmacology
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We show that mutually consistent explanations and simulation of experimental data can be achieved for cortical gamma activity, synchronous oscillation, and the main features of the EEG power spectrum including ...
The dynamic properties exhibited in the simulations, Hebbian synaptic modification regulated by a limited set of innate "reward" mechanisms, and infomax principles, can be combined to yield an explanation ...
Nicholas Hawthorn for technical assistance, and the University of Sydney, the University of Auckland, the Swinburne University, Melbourne, and the Mental Health Research Institute, Melbourne, for the use ...
doi:10.1038/sj.npp.1300138
pmid:12827148
fatcat:ptgshejb4ffathcs5oydwgsmze
Synchronisation of Neural Oscillations and Cross-modal Influences
2020
Trends in Cognitive Sciences
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Recent human and nonhuman primate studies suggest that such cross-modal influences in sensory cortices are mediated by the synchronisation of ongoing neural oscillations. ...
Prior research has shown that signals in one sensory modality can influence neural activity and behavioural performance associated with another sensory modality. ...
Overall, the emergence of behavioural periodicities time-locked to a reset event is a prime indicator of the involvement of neural oscillations [21, 27, 38] . ...
doi:10.1016/j.tics.2020.03.003
pmid:32317142
pmcid:PMC7653674
fatcat:js6hgcc5lbfwfabem7jdrlzehe
A First Step Toward Cognitive Remediation of Voices: a Case Study
2006
Cognitive Behaviour Therapy
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ACKNOWLEDGMENTS
NOTE The authors of this commentary are employed by a government agency and as such this commentary is considered a work of the U.S. government and not subject to copyright within the ...
ACKNOWLEDGMENT The preparation of this commentary was supported in part by NARSAD Grable Investigator Award to Sohee Park. ...
This initially drew upon what was then thought to be the inhibitory nature of stimulus-driven, bottom-up visual processing with a lack of inhibition-releasing spontaneous activity. ...
doi:10.1080/16506070600802993
pmid:16952899
fatcat:wjh5h3ysbrgapnlcwyfb5zjnz4
Modelling non-invasive brain stimulation in cognitive neuroscience
2013
Neuroscience and Biobehavioral Reviews
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It bypasses the correlative approaches of other imaging techniques, making it possible to establish a causal relationship between cognitive processes and the functioning of specific brain areas. ...
We know that NIBS techniques have the potential to transiently influence behaviour by altering neuronal activity, which may have facilitatory or inhibitory behavioural effects, and these alterations can ...
They stimulated the occipital cortex by spTMS, which was time-locked to the presentation of a visual stimulus, while the participants tried to detect the visual stimulus. ...
doi:10.1016/j.neubiorev.2013.06.014
pmid:23827785
fatcat:chzsstj3cjh53lko4v3drxojgq
Cortical Resonance Frequencies Emerge from Network Size and Connectivity
2016
PLoS Computational Biology
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Using a network model of loosely-coupled Wilson-Cowan oscillators to simulate a patch of cortical sheet, we demonstrate that the size of the activated network is inversely related to its resonance frequency ...
The model predicted that if an activated network within the visual cortex increased in size, the resonance frequency of the network would decrease. ...
This was possible due to the precise nature of retinotopic mapping of the visual field onto the cortex [23] . ...
doi:10.1371/journal.pcbi.1004740
pmid:26914905
pmcid:PMC4767278
fatcat:shsgwr4mnbfopc2i62ypn4m4ku
Information: In the stimulus or in the context?
1997
Behavioral and Brain Sciences
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This coordination involves contextual field (CF) connections that link processors within and between cortical regions. ...
The effects of CF connections are distinguished from those mediating receptive field (RF) input; it is shown how CFs can guide both learning and processing without becoming confused with the transmission ...
Shortly after the first reports of oscillations in visual cortex , we replicated the results by slightly modifying our existing models of oscillations in olfactory cortex (Wilson & Bower 1988; to reflect ...
doi:10.1017/s0140525x97401607
fatcat:5qez4t5ir5drjfvxcpntdf5tmm
In search of common foundations for cortical computation
1997
Behavioral and Brain Sciences
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This coordination involves contextual field (CF) connections that link processors within and between cortical regions. ...
The effects of CF connections are distinguished from those mediating receptive field (RF) input; it is shown how CFs can guide both learning and processing without becoming confused with the transmission ...
Shortly after the first reports of oscillations in visual cortex , we replicated the results by slightly modifying our existing models of oscillations in olfactory cortex (Wilson & Bower 1988; to reflect ...
doi:10.1017/s0140525x9700160x
fatcat:alvhhga45be6rjfiui3eurkwgi
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